class Post {
  const Post ({
    this.title,
    this.author,
    this.imageUrl,
  });
  final String title;
  final String author;
  final String imageUrl;
}

final List<Post> posts = [
  Post(
    title: '标题0',
    author: '小王',
    imageUrl: 'http://www.yunruishidai.com/cloudEra-pic/upload/good/20180403/1522732262972.jpg'
  ),
  Post(
    title: '标题1',
    author: '小王',
    imageUrl: 'http://www.yunruishidai.com/cloudEra-pic/upload/good/20180403/1522732262972.jpg'
  ),
  Post(
    title: '标题2',
    author: '小王',
    imageUrl: 'http://www.yunruishidai.com/cloudEra-pic/upload/good/20180403/1522732262972.jpg'
  ),
  Post(
    title: '标题3',
    author: '小王',
    imageUrl: 'http://www.yunruishidai.com/cloudEra-pic/upload/good/20180403/1522732262972.jpg'
  ),
  Post(
    title: '标题4',
    author: '小王',
    imageUrl: 'https://www.yunruishidai.com/cloudEra-pic/upload/good/20180625/large_1529908988010.jpg'
  )
];